Improvement in piston-valves



am sw t we @te Be itknown that "'A. F. ltnnnnmfof' the town of invented an Improved `Piston-Vfalve for engines; .and QI. dohereby declare'tbat thefollowing is a f ull and exact descriptionthereof, reference being hadto the accompanying drawings, and to the letters` of reference A The -nature of my invention` consists in the construction of a steam-cylinderfwitlx `an inside lining or cylinder` adjustable by a screwfin the outer cylinder and cylinder-head, l for the purpose @of shifting the' lining, andholding it-inp'osition; also, in the construction left screw upon the valye-stem,.recei ving the' steam between the twovalves or., piston-heads, and `secured and held in positionin the inner cylinder by certain so as to make, in fact,'two cylinders, one within .the

other, as represented by `Figure l, in `aecojmpanying -`said -cylinder being proyidedwith a screw in each end, l so astoreceive the headsr j l V .'lhe inner cylinder I cpnstruct so that it will both tclose to and move `easily within the outer cylinder, and enough shorter to allowjtbe cylinderfh'eads to screw up close against the `innercylinder, so asto hold it in its` required position,zand that the same, also, may be adjustedby said screw-heads to the valve, thus enabling theengineer to put his engine into per-` -fect beat without stopping his engine. l r

'l construct my` valve,` represented by Figure 3, (a vertical section ofthe same,) of `two separate pistonheads, adjustable by` `the right-and-left thread upon l theyalve'fsteln, represented byB. and L, and held in V"positionby the two armsJ J.` i

` Each p' ton-head is provided G ,in `saidfigt,` represents the two concavities of the two piston-heads. v

i lill with a packing-ring,

Normal, `McLean county, and State. of` illinois, have` of apis'tonQ-valvc, which is adjustable by a right-and-v drawing, I and D representingthe respective cylinders. I construct my outercylinder with' enlarged ports,

A. `an ninna, or n on Mil-L, I LLrn o I s.

Lette/"Ls `Patent No. 97,695, dated December 7, 1869.

inaraovnninnr `1N Heron-VALVES. 1.

i f Schedule referred to in these Letters Patent and making part of tha game, l

Figure 2 represents a sectional view of the valvecylinder, with lining and valve in position.

i Figure 4 representsa sectional view of the lining,

or inside valve-cylinder, with ports.

headof the valf/cylinder. r The letters in the four ignresrepresent as follows.

Figure 5 represents a vert-ical section oi'` the screw- T he same letters in the -diil'erent figures represent corresponding parts.

. A A represent the exhaust-ports.

B represents the indnct'on or receiving-port. G O,- the `ports leading from theValve-cylinder to-en` gine-cylinder.

D represents the lining or inside cylinder f theV valve-cylinder. E, the valve-stem.

fF F, theI heads of the valve-piston.

G "G, the concavity of the piston-heads. H H represent the packing-rings.

I I, the outer cylinder. J J,tl ie arms hold'ng the valve in position in the valve-cylindeix` y 1X X,"tl1e screw in theends of the outer cylinder, for the` purpose of rreceiving the cylinder-heads, and adjusting and holding inposition the inside lining, or inside valve-cylinders. VIt and L represent the right-and-left thread of the valvelstem.

' What I claim as my invention, and desire to secure by Letters lfatent, is-

jnstable, by a right-and-left screw, upon the valvestem, `receiving the stem between the two valve or pistonheads, and secured, and heldin position in the' inner cylinder, by the arms 'J J, as described. f

Als, the adjustable lining, or inner cylinder, ad-

'jnstableby the screw in the outer cylinder and cylinder-head, for the purpose of shifting the lining, and holding. it in position, as described. l

. A. F. REEDER. I Witnesses: y

` Trios.' SLADE,

` W. M. HATCH,

T. U. FIELD. 

